13867871 has 2 divisors, whose sum is σ = 13867872. Its totient is φ = 13867870.

The previous prime is 13867837. The next prime is 13867879. The reversal of 13867871 is 17876831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13867871 - 2⁶ = 13867807 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13867879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6933935 + 6933936.

It is an arithmetic number, because the mean of its divisors is an integer number (6933936).

Almost surely, 2^13867871 is an apocalyptic number.

13867871 is a deficient number, since it is larger than the sum of its proper divisors (1).

13867871 is an equidigital number, since it uses as much as digits as its factorization.

13867871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 41.

The square root of 13867871 is about 3723.9590491841. The cubic root of 13867871 is about 240.2536150051.

The spelling of 13867871 in words is "thirteen million, eight hundred sixty-seven thousand, eight hundred seventy-one".